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The Spirit of Society Journal : International Journal of Society Development and Engagement
Published by Universitas Narotama Surabaya
ISSN : 25974742     EISSN : 25974777     DOI : -
Core Subject : Education, Social,
Education Environmental Science Social Sciences Other
Arjuna Subject : -
Articles 14 Documents
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Search results for , issue "Vol 8 No 1: September 2024" : 14 Documents clear
Value Engineering Study on Canal Rehabilitation Work Using Cultures in Samarinda Ulu District Khaldun, Ibnu; Oetomo, Wateno
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3177

Abstract

This research was conducted with the aim of analyzing the Engineering Value of Drainage and Culvert Rehabilitation Work in Samarinda Ulu District. The settlement method for this calculation uses Value Engineering Analysis. Value Engineering Analysis is carried out when the Budget Plan (RAB) is still being planned to get maximum results. This research method was carried out in five stages of Value Engineering, namely the information stage, function analysis stage, creative stage, evaluation stage and presentation stage. Weight of each criterion using the Zero-One Method. Zero-One Analysis Matrix Method The zero-one method is used for weighting and assigning scores to criteria. From the results of the analysis it was found that the best alternative that can replace the initial implementation method for selected work items in concrete work is Precast Reinforced Concrete Partially Cast Ready Mix Reinforced Concrete. The cost of concrete work, namely at the beginning or according to plan, is Rp. 623,679,984.00 Costs for concrete work after VE, namely Rp. 271,933,824.09 With costs saved amounting to Rp. 352,393,548.00 or 18.3%. The overall project cost for the initial plan is Rp. 2,099,885,844 while the overall cost of the project after VE is IDR 1,748,139,684. With the cost savings of Rp. Rp. 352,393,548.00 or 16.78% of the total project.
Feasibility Study of the Development of a Drinking Water Supply System (SPAM) Investment of Cibulakan Springs Perumda Drinking Water Tirta Rahaja Bandung District – West Java Sundana, Hari; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3178

Abstract

Along with population growth and rapid development in Bandung Regency, demand for clean water is increasing. The development of a clean water supply system for Perumda Drinking water Tirta Raharja certainly requires a study of the feasibility of investing in the development of a drinking water supply system (SPAM) from the Cibulakan spring of Perumda Drinking Water Tirta Raharja, Bandung district so that it can be known to what extent the process is beneficial for the community and of course for the Government. The settlement method in this calculation for Feasibility Investment Analysis uses the Net Present Value (NPV) method and the Break Event Point (BEP) method. From the results of the investment feasibility analysis from the financial aspect with the Net Present Value (NVP) investment assessment, an NPV value of IDR 518,181,911,866 (NPV > 0) was obtained. So, the development of a Drinking Water Supply System (SPAM) from the Cibulakan springs of the Tirta Raharja Drinking Water Company, Bandung Regency is worth continuing. An NPV value that is positive or greater than (> 0) indicates that the income is greater than the value invested. The results of the Break Even Point (BEP) investment assessment showed that the return value occurred in the 14th year with the accumulation of negative profits being marked as positive after the 14th year. This explains that the investment in developing a Drinking Water Supply System (SPAM) from the Cibulakan springs of Perumda Drinking water Tirta Raharja in Bandung Regency is worth running, because there is a return on investment as proven by the BEP value for 7 years.
Performance Analysis of Costs Implementation Using the EVM Method (Earned Value Method) on the Work of Expanding the Distribution Pipeline Network in Samarinda City Patanduk, Apriyanto Iring; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3179

Abstract

In implementing a project, it is often found that implementation does not conform to the plan. Where the problems raised in this research relate to the cost performance of implementing the Samarinda City distribution pipe network expansion project. With the increasing need for clean water and the increasing population, PDAM Kota Samarinda must be able to meet demand with quality, quantity, continuity and accessible prices, as well as adequate water pressure. In an effort to provide clean water services, the government must pay special attention to developing the distribution network. The previous distribution piping network in Samarinda City is considered to need to be expanded to meet the need for clean water, especially during the dry season where there is a shortage of clean water in the Samarinda area. Based on this problem, it is necessary to analyze the condition of the distribution pipe network for clean water services based on the population and calculations for the current year and projections at PDAM Kota Samarinda. Therefore, it is necessary to carry out research related to cost performance analysis on the Samarinda City distribution pipe network expansion work project to determine the position of the project in relation to costs from the monitoring carried out. The research method uses calculations and analysis using the Earned Value Method. Based on the analysis of the data obtained, it can be concluded that the cost performance is not in accordance with the budget and the estimated cost until the project is completed is IDR. 20,583,636,709, greater than the planned IDR. 16,566,678,000.
Design and Analysis of Microstrip Patch Antennas to Support the Implementation of Smart Ports Rahmat, M. Basuki; Widiarti, Yuning; Setijadi, Eko; Idris, Azlina; Julia, Aina; Hamzah, Shipun Anuar; Putri, K S H
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3180

Abstract

Smart port is a port concept which is designed and managed efficiently and effectively, which includes various technologies such as the use of automation systems, robotics, the Internet of Things (IoT), and data analysis. the main service to convert a port into a smart port or Port 4.0. categorized into three main areas: Smart infrastructure is focused on “fixed assets” in ports, such as buildings (e.g. warehouses or stacking areas), cranes, trains, and roads. Smart traffic is focused on “moving assets” such as ships, trucks, trains and containers. Smart trading is focused on the flow of cargo. Digitalization with information and communication technology and automation are fundamental factors in pushing a port towards a smart port. One of the important components in communication technology is the antenna. several devices exchange data for remote monitoring using wireless communication. Antennas are very important in wireless communications. This article explains antenna design and analysis to support Dedicated Short-Range Communications (DSRC) in smart ports. This paper designs, simulates, and analyzes a microstrip patch antenna (MPA) for wireless applications. FR-4 (lossy) and Roggers RT/duroid with a dielectric permittivity of 4.3 and 2.2 has been used as a substrate material. The simulation was carried out using computer simulation technology (CST) suite studio 2019 software. Simulation with FR-4 material showed a return loss of -21.23 dB, gain of 2.718 dBi, directivity of 7.525 dBi, voltage standing wave ratio (VSWR) of 1.1864, bandwidth (BW) is 0.0635 GHz, and Simulation using Rogers RT5880/duroid material showed a return loss of -10.813 dB, gain of 8.084 dBi, directivity of 8.528 dBi, voltage standing wave ratio (VSWR) of 1.8095, bandwidth (BW) is 0.0441 GHz.

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